Patents by Inventor Yoshifumi Banno

Yoshifumi Banno has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10435071
    Abstract: If road information indicates that a first curve zone at a near side and a second curve zone at a far side that curve in different directions are continuously located in a road, a steering assist unit of a steering assist device or a steering assist circuit finishes decreasing process of decreasing the steering assist amount when the subject vehicle passes through the first curve zone earlier than a case when the subject vehicle passes through the second curve zone.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: October 8, 2019
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yuki Nakada, Hiroyuki Koibuchi, Daisuke Kondo, Yosuke Sakamoto, Yoshifumi Banno, Yuki Kizumi
  • Publication number: 20190071094
    Abstract: A vehicle control system includes a detection unit which detects the position of a lane marker on a road surface in a traveling direction of a vehicle, a storage unit which stores the position of the lane marker detected by the detection unit in a predetermined range in the traveling direction and a lane change control unit which controls lane change of the vehicle on the basis of the position of the lane marker detected by the detection unit, wherein the lane change control unit determines whether lane change is possible on the basis of the position of the lane marker in the predetermined range stored in the storage unit in a case that the lane marker is not detected by the detection unit and controls lane change of the vehicle on the basis of the position of the lane marker in the predetermined range in a case that it is determined that lane change is possible.
    Type: Application
    Filed: August 23, 2018
    Publication date: March 7, 2019
    Inventors: Haruhiko Nishiguchi, Yoshifumi Banno, Hiroyuki Koibuchi
  • Patent number: 10222806
    Abstract: A vehicle drive control device includes a drive lane detector, a drive assist unit, and a curve road steering assist unit. The drive lane detector detects a drive lane of a subject vehicle. The drive assist unit performs drive assist control to assist the subject vehicle in lane keep driving in the drive lane. The curve road steering assist unit performs steering assist for assisting the subject vehicle in turning along a curve of a curve road if the drive lane is the curve road and if the drive assist control performed by the drive assist unit is discontinued during driving on the curve road.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: March 5, 2019
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yuki Nakada, Hiroyuki Koibuchi, Daisuke Kondo, Yosuke Sakamoto, Yoshifumi Banno, Yuki Kizumi
  • Patent number: 10162361
    Abstract: A steering control unit performs lane keeping control to cause a steering system to operate to reduce a distance between a width-direction center position of a lane and a position where the vehicle is traveling in the lane on the basis of a recognized state of the lane obtained by a lane recognizing unit. A road condition determining unit determines whether the road on which the vehicle is traveling is a straight road. A lane keeping responsivity setting unit sets, when it is determined by the road condition determining unit that the road on which the vehicle is traveling is a straight road, responsivity of the lane keeping control to the distance to be lower than responsivity set when it is determined that the road on which the vehicle is traveling is not a straight road.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: December 25, 2018
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yosuke Sakamoto, Hiroyuki Koibuchi, Daisuke Kondo, Yuki Nakada, Yoshifumi Banno, Yuki Kizumi
  • Publication number: 20180086338
    Abstract: When a host vehicle makes a lane change from a first lane into a second lane, an approach suppression control unit of a travel assist device monitors whether or not another vehicle, which is traveling in a third lane existing on an opposite side from the first lane with the second lane interposed therebetween, is making a lane change into the second lane. In the case it is determined that the other vehicle is making a lane change from the third lane into the second lane, the approach suppression control unit implements an approach suppression control for suppressing the host vehicle and the other vehicle from approaching each other.
    Type: Application
    Filed: September 15, 2017
    Publication date: March 29, 2018
    Inventors: Hiroyuki Yamada, Makoto Katayama, Hiroyuki Koibuchi, Haruhiko Nishiguchi, Satoshi Fujii, Daiki Haratake, Yoshifumi Banno
  • Publication number: 20170242440
    Abstract: A vehicle drive control device includes a drive lane detector, a drive assist unit, and a curve road steering assist unit. The drive lane detector detects a drive lane of a subject vehicle. The drive assist unit performs drive assist control to assist the subject vehicle in lane keep driving in the drive lane. The curve road steering assist unit performs steering assist for assisting the subject vehicle in turning along a curve of a curve road if the drive lane is the curve road and if the drive assist control performed by the drive assist unit is discontinued during driving on the curve road.
    Type: Application
    Filed: February 21, 2017
    Publication date: August 24, 2017
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Yuki Nakada, Hiroyuki Koibuchi, Daisuke Kondo, Yosuke Sakamoto, Yoshifumi Banno, Yuki Kizumi
  • Publication number: 20170240205
    Abstract: If road information indicates that a first curve zone at a near side and a second curve zone at a far side that curve in different directions are continuously located in a road, a steering assist unit of a steering assist device or a steering assist circuit finishes decreasing process of decreasing the steering assist amount when the subject vehicle passes through the first curve zone earlier than a case when the subject vehicle passes through the second curve zone.
    Type: Application
    Filed: February 21, 2017
    Publication date: August 24, 2017
    Applicant: Honda Motor Co., Ltd.
    Inventors: Yuki Nakada, Hiroyuki Koibuchi, Daisuke Kondo, Yosuke Sakamoto, Yoshifumi Banno, Yuki Kizumi
  • Publication number: 20170235313
    Abstract: A steering control unit performs lane keeping control to cause a steering system to operate to reduce a distance between a width-direction center position of a lane and a position where the vehicle is traveling in the lane on the basis of a recognized state of the lane obtained by a lane recognizing unit. A road condition determining unit determines whether the road on which the vehicle is traveling is a straight road. A lane keeping responsivity setting unit sets, when it is determined by the road condition determining unit that the road on which the vehicle is traveling is a straight road, responsivity of the lane keeping control to the distance to be lower than responsivity set when it is determined that the road on which the vehicle is traveling is not a straight road.
    Type: Application
    Filed: February 15, 2017
    Publication date: August 17, 2017
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Yosuke Sakamoto, Hiroyuki Koibuchi, Daisuke Kondo, Yuki Nakada, Yoshifumi Banno, Yuki Kizumi
  • Patent number: 9533705
    Abstract: A vehicle steering system can keep the comfort of steering feeling for a driver, even in a situation, such as traveling on a cant road or in a crosswind, where a unidirectional-drift behavior of a vehicle occurs, and includes an electric motor, a steering angle sensor, a steering torque sensor, and an EPS_ECU that controls driving power of the electric motor, when the vehicle is traveling straight, based on vehicle information including a steering torque and a steering angle, to perform a control for applying an assist torque to a steering system. The EPS_ECU includes an integrating unit for calculating an integrated torque value obtained by integrating the steering torque, and a steering effort assist controlling unit for performing an anti-unidirectional-drift control over the driving power of the electric motor, when the integrated torque value exceeds the threshold value, so as to cancel the unidirectional-drift behavior of the vehicle.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: January 3, 2017
    Assignee: Honda Motor Co., Ltd.
    Inventors: Norifumi Tamura, Yoshifumi Banno, Yuki Endo, Shoji Hamada, Yoshinobu Mukai
  • Patent number: 9393995
    Abstract: It is determined whether or not a vehicle is in a first vehicle state based on a detected steering torque and a detected yaw rate (step S1), one-side pull is decided if the yaw rate is within a range from 2 deg/sec to 10 deg/sec (step S4) for 1 second which is a first predetermined time (step S3) since an absolute value of the steering torque becomes 20 Nm or larger in the first vehicle state (step S2), then a target current value (one-side response) is generated.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: July 19, 2016
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yoshifumi Banno, Norifumi Tamura, Yuki Endo, Shoji Hamada
  • Patent number: 9371088
    Abstract: A vehicle steering device including a steering torque detection unit that detects a steering torque, the vehicle steering device controlling an electric current value, which is applied to an electric motor, and applying an assist torque to a steering system based on the steering torque, includes a one-side pull response control unit that detects one-side pull generated at a vehicle, and corrects the current value to restrict the one-side pull. One-side pull response control is restricted or inhibited for a predetermined time after the vehicle ends a turn.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: June 21, 2016
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Norifumi Tamura, Yoshifumi Banno, Shoji Hamada, Yuki Endo
  • Patent number: 8978814
    Abstract: The present invention provides a vehicle steering device, comprising: a manual steering means for manually steering steerable wheels in a vehicle; a steering-torque detection means for detecting a steering torque applied to the manual steering means; a first electromotive-torque determination means for determining a first electromotive-torque value based on the detected steering torque; a vehicle-behavior detection means for detecting behavior of the vehicle; a second electromotive-torque determination means for determining a second electromotive-torque value based on a detected value obtained by the vehicle-behavior detection means; an electric motor for applying a combined electromotive torque to the steerable wheels; and a current control means for controlling current supplied to the electric motor based on a value of the combined electromotive torque obtained by adding the first electromotive-torque value to the second electromotive-torque value.
    Type: Grant
    Filed: April 20, 2012
    Date of Patent: March 17, 2015
    Assignee: Honda Motor Co., Ltd.
    Inventors: Takeshi Iijima, Yoshifumi Banno
  • Patent number: 8967321
    Abstract: An electric power steering apparatus includes an electric motor configured to apply an assist torque to an steering system of a motor vehicle, a rotational quantity detection unit for detecting a rotational quantity of the electric motor while the rotational quantity detection unit is in a wake-up state, and a counter electromotive voltage detection unit for detecting a counter electromotive voltage of the electric motor. When a main power supply of the electric power steering apparatus is turned off, the rotational quantity detection unit enters into a sleep state, and when a prescribed condition is established based on the counter electromotive voltage detected by the counter electromotive voltage detection unit, the rotational quantity detection unit transitions from the sleep state to the wakeup state.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: March 3, 2015
    Assignee: Honda Motor Co., Ltd.
    Inventors: Yoshifumi Banno, Masahiko Niki, Takeshi Iijima, Kazutaka Saito, Yoshinobu Mukai
  • Publication number: 20150025745
    Abstract: A vehicle steering system can keep the comfort of steering feeling for a driver, even in a situation, such as traveling on a cant road or in a crosswind, where a unidirectional-drift behavior of a vehicle occurs, and includes an electric motor, a steering angle sensor, a steering torque sensor, and an EPS_ECU that controls driving power of the electric motor, when the vehicle is traveling straight, based on vehicle information including a steering torque and a steering angle, to perform a control for applying an assist torque to a steering system. The EPS_ECU includes an integrating unit for calculating an integrated torque value obtained by integrating the steering torque, and a steering effort assist controlling unit for performing an anti-unidirectional-drift control over the driving power of the electric motor, when the integrated torque value exceeds the threshold value, so as to cancel the unidirectional-drift behavior of the vehicle.
    Type: Application
    Filed: July 16, 2014
    Publication date: January 22, 2015
    Inventors: Norifumi TAMURA, Yoshifumi BANNO, Yuki ENDO, Shoji HAMADA, Yoshinobu MUKAI
  • Publication number: 20150025744
    Abstract: It is determined whether or not a vehicle is in a first vehicle state based on a detected steering torque and a detected yaw rate (step S1), one-side pull is decided if the yaw rate is within a range from 2 deg/sec to 10 deg/sec (step S4) for 1 second which is a first predetermined time (step S3) since an absolute value of the steering torque becomes 20 Nm or larger in the first vehicle state (step S2), then a target current value (one-side response) is generated.
    Type: Application
    Filed: July 15, 2014
    Publication date: January 22, 2015
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Yoshifumi Banno, Norifumi Tamura, Yuki Endo, Shoji Hamada
  • Publication number: 20150025743
    Abstract: A vehicle steering device including a steering torque detection unit that detects a steering torque, the vehicle steering device controlling an electric current value, which is applied to an electric motor, and applying an assist torque to a steering system based on the steering torque, includes a one-side pull response control unit that detects one-side pull generated at a vehicle, and corrects the current value to restrict the one-side pull. One-side pull response control is restricted or inhibited for a predetermined time after the vehicle ends a turn.
    Type: Application
    Filed: July 15, 2014
    Publication date: January 22, 2015
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Norifumi Tamura, Yoshifumi Banno, Shoji Hamada, Yuki Endo
  • Publication number: 20140353073
    Abstract: An electric power steering apparatus includes an electric motor configured to apply an assist torque to an steering system of a motor vehicle, a rotational quantity detection unit for detecting a rotational quantity of the electric motor while the rotational quantity detection unit is in a wake-up state, and a counter electromotive voltage detection unit for detecting a counter electromotive voltage of the electric motor. When a main power supply of the electric power steering apparatus is turned off, the rotational quantity detection unit enters into a sleep state, and when a prescribed condition is established based on the counter electromotive voltage detected by the counter electromotive voltage detection unit, the rotational quantity detection unit transitions from the sleep state to the wakeup state.
    Type: Application
    Filed: May 28, 2014
    Publication date: December 4, 2014
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Yoshifumi BANNO, Masahiko NIKI, Takeshi IIJIMA, Kazutaka SAITO, Yoshinobu MUKAI
  • Publication number: 20140041958
    Abstract: The present invention provides a vehicle steering device, comprising: a manual steering means for manually steering steerable wheels in a vehicle; a steering-torque detection means for detecting a steering torque applied to the manual steering means; a first electromotive-torque determination means for determining a first electromotive-torque value based on the detected steering torque; a vehicle-behavior detection means for detecting behavior of the vehicle; a second electromotive-torque determination means for determining a second electromotive-torque value based on a detected value obtained by the vehicle-behavior detection means; an electric motor for applying a combined electromotive torque to the steerable wheels; and a current control means for controlling current supplied to the electric motor based on a value of the combined electromotive torque obtained by adding the first electromotive-torque value to the second electromotive-torque value.
    Type: Application
    Filed: April 20, 2012
    Publication date: February 13, 2014
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Takeshi Iijima, Yoshifumi Banno
  • Patent number: 8392066
    Abstract: An electric power-assist steering system that provides a steering assist control in accordance with the steering angle right after the idle stop to reduce an unpleasant steering feeling and is installed in a vehicle having an idle stop mechanism (engine controller) that automatically performs an idle stop operation in a predetermined condition. The electric power-assist steering system includes a torque sensor, a steering angle sensor for detecting a steering angle relative to a midpoint of a steering angle that is learned, an electric motor whose assist force is controlled based on the steering torque and the steering angle, and a resolver for detecting a rotational angle of the electric motor. A steering angle right after the idle stop is determined based on the steering angle detected by the steering angle sensor right before the idle stop and variation in the rotational angle detected by the resolver during the idle stop.
    Type: Grant
    Filed: May 7, 2010
    Date of Patent: March 5, 2013
    Assignee: Honda Motor Co., Ltd
    Inventors: Shigeki Ehara, Hiroyuki Tokunaga, Hiroaki Kobayashi, Yoshifumi Banno
  • Publication number: 20100286868
    Abstract: An electric power-assist steering system that provides a steering assist control in accordance with the steering angle right after the idle stop to reduce an unpleasant steering feeling and is installed in a vehicle having an idle stop mechanism (engine controller) that automatically performs an idle stop operation in a predetermined condition. The electric power-assist steering system includes a torque sensor, a steering angle sensor for detecting a steering angle relative to a midpoint of a steering angle that is learned, an electric motor whose assist force is controlled based on the steering torque and the steering angle, and a resolver for detecting a rotational angle of the electric motor. A steering angle right after the idle stop is determined based on the steering angle detected by the steering angle sensor right before the idle stop and variation in the rotational angle detected by the resolver during the idle stop.
    Type: Application
    Filed: May 7, 2010
    Publication date: November 11, 2010
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Shigeki Ehara, Hiroyuki Tokunaga, Hiroaki Kobayashi, Yoshifumi Banno